Mandrel Bars

Mandrel Bars are one of the key pieces of tooling required during the production of Seamless Tubes and Pipes. Once the billet has been pierced, the Mandrel Bar supports the tube shell internally during elongation and wall thickness reduction.

Over the past 15 years API Engineering has supplied over 1,000 mandrel bars to steel mills across the world, built great partnerships and a reputation as a trustworthy, high quality supplier.